What is the purpose of this Starlight Instruments adapter?

This adapter is designed for a single, specific purpose: to connect a Starlight Instruments 3.0" or 3.5" focuser that has an Astro-Physics (A-P) threaded end cap directly to the threads of an SBIG STL-11000 series camera. It creates a secure, all-threaded connection for a stable imaging train.

Why use this threaded adapter instead of a 2" nosepiece for my SBIG STL-11000?

A standard 2" nosepiece held by thumbscrews or a compression ring can introduce slight tilt or sag, especially with a heavy camera like the SBIG STL-11000. This dedicated threaded adapter eliminates that risk by creating a rigid, fixed connection, which is critical for maintaining a flat field and round stars during long exposures.

Does this adapter work with original Astro-Physics focusers?

This adapter is specifically made for Starlight Instruments focusers that are fitted with an Astro-Physics (A-P) compatible threaded end cap. It is not designed to attach directly to a stock Astro-Physics focuser drawtube.

Will this adapter introduce any tilt into my imaging train?

No, the primary benefit of this adapter is to prevent tilt. By creating a direct, metal-on-metal threaded connection, it ensures your SBIG STL-11000 camera remains perfectly aligned with the focuser axis, which is essential for high-resolution imaging.

How does this adapter help when imaging faint objects like the Pelican Nebula (IC 5070) with my SBIG STL-11000?

Imaging faint targets like the Pelican Nebula (IC 5070) requires long sub-exposures where equipment stability is paramount. The rigidity provided by this threaded adapter prevents microscopic shifts or flexure as your telescope tracks across the sky. This stability ensures consistently sharp stars and a flat field, which is vital for stacking many hours of data on faint deep-sky objects.

Which Starlight Instruments focusers is this adapter designed for?

As indicated in the title, this adapter is designed to be used with Starlight Instruments' 3.0" and 3.5" Feather Touch focusers, provided they are equipped with the appropriate Astro-Physics threaded end cap.

Starlight Instruments Adaptateur 3.0" et 3.5" pour convertir 'Embout Fileté AP' à Filetage 'SBIG STL 11000'

par Starlight Instruments

UGC SI-A35-505AP-1

$100.00 - $100.00

$100.00

$100.00 - $100.00

$100.00

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Vérifiez quelles tailles de filtres et d'adaptateurs dégagent le capteur avec Starlight Instruments Adaptateur 3.0" et 3.5" pour convertir 'Embout Fileté AP' à Filetage 'SBIG STL 11000', et la lumière perdue dans les coins.

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Cet adaptateur s'enfile dans tous les embouts filetés A/P de 2,7" pour convertir les embouts filetés AP en filetages SBIG STL 11000.

Cette pièce est conçue pour se visser directement dans un embout fileté A/P.

Il est usiné à partir d'aluminium de la plus haute qualité et fini dans notre atelier, en gardant le même aspect magnifique et la qualité de haute précision pour lesquels Starlight Instruments est connu.

Caractéristiques

Connu pour s'adapter	SBIG STL 11000
Utiliser avec	Tout embout fileté A/P
Accessoire	2.156 x 24tpi Mâle
Autre info	0.125 "" Longueur
Longueur d'utilisation	.125""

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Starlight Instruments Adaptateur 3.0" et 3.5" pour convertir 'Embout Fileté AP' à Filetage 'SBIG STL 11000'

Votre train d’imagerie vignette-t-il ?

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